The default port for the Ansys Licensing Interconnect. Port 2325: The default port for the ANSYSLMD vendor daemon.
Install OpticStudio and open the on the new machine. Navigate to the Receive License or Activate tab. Paste the Transfer Code you generated from the old machine.
: Download and install the version of OpticStudio that matches your license type (legacy vs. Ansys-licensed versions). Connect Your License : zemax opticstudio license fixed
Many older fixed licenses were tied to physical Black USB keys (license numbers 22000–40999), while later ones used softkeys. Fixed License vs. Subscription License in 2026
Older versions use a 5-digit numeric serial number (e.g., 22000 to 49999) or a alpha-numeric format starting with "L" or "V" (e.g., L100000). These rely on the Zentitle or Sentinel LDK runtime platforms. The default port for the Ansys Licensing Interconnect
The following diagnostic steps were performed to isolate the issue:
October 26, 2023 Subject: Restoration of OpticStudio Licensing Services (Fixed License Type) Software Version: Zemax OpticStudio (Specify Version, e.g., 21.3+) License Type: Fixed (Standalone/Node-locked) Navigate to the Receive License or Activate tab
: A physical USB device that must be plugged into the computer (for Single-User) or the keyserver (for Network).
Enter the concept of a .
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. How to identify your legacy Zemax license - Ansys Optics